Extensions 1→N→G→Q→1 with N=C₂xDic₉ and Q=C₂

Direct product G=NxQ with N=C₂xDic₉ and Q=C₂

		d	ρ	Label	ID
C₂²xDic₉		144		C2^2xDic9	144,45

Semidirect products G=N:Q with N=C₂xDic₉ and Q=C₂

extension	φ:Q→Out N	d	ρ	Label	ID
(C₂xDic₉):₁C₂ = D₁₈:C₄	φ: C₂/C₁ → C₂ ⊆ Out C₂xDic₉	72		(C2xDic9):1C2	144,14
(C₂xDic₉):₂C₂ = C₁₈.D₄	φ: C₂/C₁ → C₂ ⊆ Out C₂xDic₉	72		(C2xDic9):2C2	144,19
(C₂xDic₉):₃C₂ = D₄:₂D₉	φ: C₂/C₁ → C₂ ⊆ Out C₂xDic₉	72	4-	(C2xDic9):3C2	144,42
(C₂xDic₉):₄C₂ = C₂xC₉:D₄	φ: C₂/C₁ → C₂ ⊆ Out C₂xDic₉	72		(C2xDic9):4C2	144,46
(C₂xDic₉):₅C₂ = C₂xC₄xD₉	φ: trivial image	72		(C2xDic9):5C2	144,38

Non-split extensions G=N.Q with N=C₂xDic₉ and Q=C₂

extension	φ:Q→Out N	d	ρ	Label	ID
(C₂xDic₉).₁C₂ = Dic₉:C₄	φ: C₂/C₁ → C₂ ⊆ Out C₂xDic₉	144		(C2xDic9).1C2	144,12
(C₂xDic₉).₂C₂ = C₄:Dic₉	φ: C₂/C₁ → C₂ ⊆ Out C₂xDic₉	144		(C2xDic9).2C2	144,13
(C₂xDic₉).₃C₂ = C₂xDic₁₈	φ: C₂/C₁ → C₂ ⊆ Out C₂xDic₉	144		(C2xDic9).3C2	144,37
(C₂xDic₉).₄C₂ = C₄xDic₉	φ: trivial image	144		(C2xDic9).4C2	144,11

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